Coenzymes cannot function on their own and do require the presence of an enzyme. Some enzymes require several coenzymes and cofactors. Coenzyme Examples. The B vitamins serve as coenzymes essential for enzymes to form fats, carbohydrates and proteins.
According to the U.S. Food and Drug Administration, unopened commercially bottled water will keep safe indefinitely, as long as the bottles remain properly sealed and arenât damaged. After long-term storage, the bottled waterâs appearance, smell or taste may change somewhat, but the water will still be safe to consume, says the FDA. And while bottled water manufacturers are permitted to put expiration dates on their labels, these dates are meant to be indicators of quality, not safety.
Update: I was helping my mother move and there were some glass listerine bottles sitting unopened in a box in the garage the exp date says nov/95 and since it is just antiseptic and it has alocohol in it I was wondering even with the exp date on the bottle if it would expire. 1 following.